The Valve,safety Relief, cataloged under National Stock Number 4820-01-071-0688, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Stewart-Warner Alemite Sales Co Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-071-0688 |
| Primary Part Number | 47640 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Stewart-Warner Alemite Sales Co Inc |
| Status | CANCELLED |
| Material Document and Classification | QQ-S-637,COMP 1109,1212 OR 1213 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series Designator | PTF-SPL SHORT ALL ENDS |
| Flow Control Device | BALL |
| Valve Operation Method | AUTOMATIC |
| Material | STEEL COMP 1109 OR STEEL COMP 1212 OR STEEL COMP 1213 OVERALL |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Adjustable Pressure Range | +7.5 TO 15.0 POUNDS PER SQUARE INCH LBS |
| Surface Treatment | CADMIUM OR ZINC LOCATION NOT OTHERWISE SPECIFIED |
| Specification/standard Data | 96906-MS35670 GOVERNMENT STANDARD |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.125 INCHES ALL ENDS IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 47640 | Stewart-Warner Alemite Sales Co Inc (USA) |
| 402512439 | Israel Military Industries Ltd Dba Taas - Israel Industries Ltd - Formerly (ISR) |
| MS35670-3B | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS35670 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 47640 | Stewart-Warner Alemite Corp (USA) |
NSN 4820-01-071-0688 is a Valve,safety Relief, manufactured by Stewart-Warner Alemite Sales Co Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-071-0688 has 5 cross-referenced part numbers: 47640 (Stewart-Warner Alemite Sales Co Inc), 402512439 (Israel Military Industries Ltd Dba Taas - Israel Industries Ltd - Formerly), MS35670-3B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35670 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 47640 (Stewart-Warner Alemite Corp).
There are 11 known substitutes for 4820-01-071-0688: 4820-00-202-5632, 2910-00-424-4225, 4820-00-542-5683 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 47640: Material Document and Classification: QQ-S-637,COMP 1109,1212 OR 1213 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Series Designator: PTF-SPL SHORT ALL ENDS; Flow Control Device: BALL; Valve Operation Method: AUTOMATIC. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-071-0688 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.